The Latest: Polls close in Romania's marriage amendment vote

BUCHAREST, Romania (AP) — The Latest on Romania's vote to change the definition of marriage (all times local):

Polls have closed in Romania after two days of voting on a constitutional amendment that would make it harder to legalize same-sex marriage.

But the weekend referendum to redefine marriage failed to attract large numbers of voters and risks being voided.

Elections authorities said voter turnout stood at just below 19 percent two hours before polls closed Sunday. The referendum needs a 30 percent turnout to be valid.

The proposed amendment would change the definition of family in Romania's Constitution to make marriage a union between a man and a woman instead of between "spouses.